CVE-2026-9457

Totolink A8000RU Web Management cstecgi.cgi UploadFirmwareFile os command injection

Published: May 25, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-77

9.8CRITICAL

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-77 CWE-78

Affected Products

Totolink

commercial·TWaka totolink corp.

A8000RU

Networking Infrastructure

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_343/README.md

github.com

https://vuldb.com/submit/813454

vuldb.com

https://vuldb.com/vuln/365438

vuldb.com

and 2 more references View all →

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